WWeesstteerrnn EEddiittiioonn The tricky process of sealing an offshore oil well with cement — suspected as a major contributor to the Gulf of Mexico oil spill disaster — has failed dozens of times in the past, according to an Associated Press investigation. Federal regulators don’t regulate what type of cement is used, leaving it up to oil By Matthew Brown By Rebecca Ragain By Mitch Weiss and Jeff Donn ® An aerial view of the work bridge with cranes in place. June 5 2010 $$33..0000
